Prime Minister Narendra Modi on Wednesday made his debut among the world's most powerful people, ranked 15th on the Forbes list topped by Russian President Vladimir Putin who pipped his US counterpart Barack Obama for a second year in a row.

A close business partner of ex-tycoon Mikhail Khodorkovsky said on Saturday that the Kremlin critic appears to no longer be interested in a USD 100-billion lawsuit against Russia since his release from jail.